@charset "utf-8";

body {
    margin: 0;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

ul,dl,dd,h1,h2,h3,p {
    margin: 0;
    padding: 0;
}

.clear::after {
    content: "";
    display: block;
    clear: both;
    width: 0;
}
header{
    height: 155px;
    background:  url("./21.png") no-repeat  center  70%;
    box-sizing: border-box;
    border-bottom: 1px solid #ccc;
}
header>h3{
    float: right;
    margin:5px 10px;
}
header .logout{
    float: right;
    margin:5px 10px;
}

html,
body {
    height: 100%;
}
.contain{
    height: calc(100% - 133px);
}
.left{
    width: 240px;
    background-color: #aa0000;
    box-sizing: border-box;
    height: 100%;
    border: 2px solid #aaff00;
}
.left>.nav>li{
    text-align: center;
}
.active{
   background: #ffdd00 !important;

}
.left>.nav>li:hover{
    background-color: #ffd967;
}
.left>.nav>li>a{
    text-decoration: none;
    color: black;
    font-size: 25px;
    display: inline-block;
    padding-top: 15px;
    padding-bottom: 15px;

}
.main{
    height: 100%;
    width: calc(100% - 240px);
    float: left;
}
.main>iframe{
    margin: 0;
    padding: 0;
    border: 0;
    width: 100%;
    height: 100%;
    /*background: url("./ifr.jpg") no-repeat center center;*/
}

.footer{
    height: 50px;
    width:100%;
    background-color: #CCCCCCFF;
}